Structure 3340640 · St. Lawrence County, NY

Cr27 over Little River

Carries Cr27 over Little River, 0.2 Mi SE Of Canton.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating6/9 · Satisfactory
Substructure9/9 · Excellent
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT139 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 6/9 · sets the ratingSubstructure 9/9

139 ft end to end. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a through arch.

Built199432 years old
Length139.1 ft42.4 m
Daily traffic3,739counted 2019
Last inspectedOctober 2024every 24 months

Location

StateNew York
CountySt. Lawrence
Location0.2 Mi SE Of Canton
CarriesCr27
CrossesLittle River
Coordinates44.58429, -75.15812

Physical Characteristics

MaterialWood or Timber
DesignArch - Thru
Total Length139.1 ft (42.4 m)
Max Span127.0 ft (38.7 m)
Deck Width33.1 ft (10.1 m)
Deck Area428.2 sq m
Main Spans1
Year Built1994

Traffic

Avg Daily Traffic3,739 (2019)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000003340640

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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